国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（3）
IPC小类 B01J（3）
IPC B01J020/28（3）
发明人 GUO X（2）
公开年 2023（3）
申请年 2022（3） 
专利权人 UNIV HANGZHO.（2）

Treatment of chromium-containing wastewater involves using lignin-based composite aerogel as adsorbent material, adjusting pH of chromium-containing wastewater, and removing hexavalent chromium-ion in wastewater.

ZHANG Y, ZHAO X, CHU R, GUO X

Removing hexavalent chromium ions in aqueous phase, comprises adjusting pH of chromium-containing wastewater to be treated, adding carbon nitride/graphene oxide composite airgel as adsorbent to carry out adsorption and removal of hexavalent chromium ions.

XI Y, LI M, GUO X

Preparing superhydrophilic highly elastic graphene airgel used for removing heavy metals in waste water, involves subjecting modified graphene oxide dispersion liquid to hydrothermal reaction to obtain reduced graphene oxide hydrogel, and dialyzing with hydroalcoholic solution.

HE G, DU B, CHEN L, ZHANG X